START

VAR a, b:INT;

INT fun(a, b) {
  WRITELN(a);
  WRITELN(b); 
  RETURN 2
} 

INT fun2(a, b) {
  if(a==1) {
    a = 1;
  } else {
    b = a - 1;
    a = fun2(b, 0) * a;
  }
     
  RETURN a
}

a = fun(10, 5);
b = fun2(5, 0);
WRITELN(b);
   
END
